prEN 15254-7

Extended application of results from fire resistance tests - Non-loadbearing ceilings - Part 7: Metal sandwich panel construction

This document defines rules for extended applications, provides guidance, and, where appropriate, specifies procedures, for variations of certain parameters and factors associated with the design of internal non-loadbearing ceilings constructed of metal faced sandwich panels that have been tested in accordance with EN 1364-2, which could generate a classification in accordance with EN 13501-2.
This document applies to,double skin metal faced sandwich panels, which have an insulating core bonded to both facings as defined in EN 14509 not stabilizing a whole building or parts of it.

Erweiterter Anwendungsbereich der Ergebnisse von Feuerwiderstandsprüfungen - Nichttragende Unterdecken - Teil 7: Sandwichelemente in Metallbauweise

Dieses Dokument definiert Regeln für erweiterte Anwendungsbereiche, enthält Leitlinien, und legt, falls erfor
derlich, Verfahren zur Änderung von bestimmten Parametern und Faktoren fest, die mit der Bauweise von nichttragenden Unterdecken aus Sandwichelementen in Metallbauweise zusammenhängen, die im Innenbereich verwendet werden und nach EN1364-2 geprüft wurden, was zu einer Klassifizierung nach EN13501-2 führen könnte.
Dieses Dokument gilt für Sandwichelemente mit beidseitigen Metalldeckschichten und einem Kern aus Wärmedämmstoff, der, wie in EN14509 definiert, mit beiden Deckschichten verklebt ist und keine Gebäude oder Teile derselben stützt.

Application étendue des résultats d'essais de résistance au feu - Plafonds non porteurs - Partie 7 : Panneaux sandwiches métalliques pour la construction

Le présent document définit les règles pour les applications étendues, expose les lignes directrices et, le cas échéant, spécifie des procédures pour les modifications de certains paramètres et facteurs liés à la conception de plafonds intérieurs non porteurs en panneaux sandwiches à parements métalliques et qui ont été soumis à essai conformément à l’EN 1364-2, pouvant générer une classification conformément à l’EN 13501-2.
Le présent document s’applique aux panneaux sandwiches double peau à parements métalliques comportant une âme isolante liée aux deux parements tels que définis dans l’EN 14509, qui ne stabilisent pas un bâtiment entier ou des parties de celui-ci.

Razširjena uporaba rezultatov preskusov požarne odpornosti - Nenosilni stropi - 7. del: Konstrukcije iz kovinskih sendvič panelov

General Information

• Status: Not Published
• Publication Date: 27-May-2026
• ICS: 13.220.50 - Fire-resistance of building materials and elements
• ICS: 91.060.30 - Ceilings. Floors. Stairs
• Technical Committee: CEN/TC 127 - Fire safety in buildings
• Drafting Committee: CEN/TC 127/WG 1 - Structural and separating elements
• Current Stage: 4020 - Submission to enquiry - Enquiry
• Start Date: 19-Dec-2024
• Due Date: 19-Dec-2024
• Completion Date: 19-Dec-2024
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Mandate: M/117 - Horizontal complement to the mandates to CEN/CENELEC concerning the execution of standardization work for the valuation of construction products and elements in respect of their resistance to fire
• Ref Project: oSIST prEN 15254-7:2025 - Extended application of results from fire resistance tests - Non-loadbearing ceilings - Part 7: Metal sandwich panel construction

Relations

• Revises: EN 15254-7:2018 - Extended application of results from fire resistance tests - Non-loadbearing ceilings - Part 7: Metal sandwich panel construction
• Effective Date: 13-Dec-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-februar-2025
Razširjena uporaba rezultatov preskusov požarne odpornosti - Nenosilni stropi - 7.
del: Konstrukcije iz kovinskih sendvič panelov
Extended application of results from fire resistance tests - Non-loadbearing ceilings -
Part 7: Metal sandwich panel construction
Erweiterter Anwendungsbereich der Ergebnisse von Feuerwiderstandsprüfungen -
Nichttragende Unterdecken - Teil 7: Sandwichelemente in Metallbauweise
Application étendue des résultats d'essais de résistance au feu - Plafonds non porteurs -
Partie 7 : Panneaux sandwiches métalliques pour la construction
Ta slovenski standard je istoveten z: prEN 15254-7
ICS:
13.220.50 Požarna odpornost Fire-resistance of building
gradbenih materialov in materials and elements
elementov
91.060.30 Stropi. Tla. Stopnice Ceilings. Floors. Stairs
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2024
ICS 13.220.50; 91.060.30 Will supersede EN 15254-7:2018
English Version
Extended application of results from fire resistance tests -
Non-loadbearing ceilings - Part 7: Metal sandwich panel
construction
Application étendue des résultats d'essais de Erweiterter Anwendungsbereich der Ergebnisse von
résistance au feu - Plafonds non porteurs - Partie 7 : Feuerwiderstandsprüfungen - Nichttragende
Panneaux sandwiches métalliques pour la construction Unterdecken - Teil 7: Sandwichelemente in
Metallbauweise
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 127.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 15254-7:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms, definitions, symbols and abbreviations . 4
3.1 Terms and definitions . 4
3.2 Symbols and abbreviations . 6
4 Establishing the field of extended application . 6
4.1 General . 6
4.2 Assumptions in the extended application . 7
5 Rules for extended applications of the tested product/construction . 7
5.1 General . 7
5.2 Variations in the materials of the product . 10
5.2.1 General . 10
5.2.2 Variations in the metal sheets . 10
5.2.3 Variations in the adhesive . 11
5.2.4 Variations in the core material . 12
5.3 Variations in the construction . 13
5.3.1 Variations in span length . 13
5.3.2 Variations in the panel thickness . 13
5.3.3 Variations in the longitudinal joint construction . 13
5.3.4 Variations in the boundary conditions and fixing system . 14
5.3.5 Length and width of ceiling construction . 14
5.4 Interaction between the factor influences . 14
5.5 Support structure . 14
5.6 Heating conditions . 15
6 Calculation methods and additional measurements . 15
6.1 Calculation methods . 15
6.1.1 General . 15
6.1.2 Calculation of strength properties . 16
6.2 Additional measurements to be carried out in the reference test . 16
7 Report of the extended application analysis . 16
Annex A (informative) Typical behaviour of a sandwich panel ceiling when exposed to fire . 17
Annex B (informative) Typical examples of sandwich panel ceiling end fixings to support
structure . 18
Annex C (normative) Rules and calculation methods for extending the span length of
sandwich panel ceilings . 20
Bibliography . 23
European foreword
This document (prEN 15254-7:2024) has been prepared by Technical Committee CEN/TC 127 “Fire
safety in buildings”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
This document supersedes EN 15254-7:2018.
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
This series is currently composed of the following parts:
— EN 15254-2, Extended application of results from fire resistance tests — Non-loadbearing walls — Part
2: Masonry and Gypsum Blocks
— EN 15254-4, Extended application of results from fire resistance tests — Non-loadbearing walls — Part
4: Glazed constructions
— EN 15254-5, Extended application of results from fire resistance tests — Non-loadbearing walls — Part
5: Metal sandwich panel construction
— EN 15254-6, Extended application of results from fire resistance tests - Non-loadbearing walls — Part
6: Curtain walling
— EN 15254-7, Extended application of results from fire resistance tests — Non-loadbearing walls — Part
7: Non-load bearing sandwich panels — Ceilings
1 Scope
This document defines rules for extended applications, provides guidance, and, where appropriate,
specifies procedures, for variations of certain parameters and factors associated with the design of
internal non-loadbearing ceilings constructed of metal faced sandwich panels that have been tested in
accordance with EN 1364-2, which could generate a classification in accordance with EN 13501-2.
This document applies to,double skin metal faced sandwich panels, which have an insulating core bonded
to both facings as defined in EN 14509 not stabilizing a whole building or parts of it.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 1363-1, Fire resistance tests - Part 1: General requirements
EN 1363-2, Fire resistance tests - Part 2: Alternative and additional procedures
EN 1364-2, Fire resistance tests for non-loadbearing elements - Part 2: Ceilings
EN 1993-1-2, Eurocode 3 - Design of steel structures - Part 1-2: Structural fire design
EN 13501-2, Fire classification of construction products and building elements - Part 2: Classification using
data from fire resistance and/or smoke control tests, excluding ventilation services
EN 14509:2013, Self-supporting double skin metal faced insulating panels - Factory made products -
Specifications
prEN 14509-3:2024, Factory-made double skin metal faced insulating sandwich panels - Part 3: Test
methods for determining mechanical strength, building physical behaviour and durability
EN 15725:2023, Extended application on the fire performance of construction products and building
elements: Principle of EXAP standards and EXAP reports
EN ISO 13943, Fire safety - Vocabulary (ISO 13943)
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
For the purpose of this document, the terms and definitions given in EN 14509, EN 15725, EN 1364-2,
EN 1363-1 and EN ISO 13943 the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at https://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1.1
direct field of application of test results
outcome of a process (involving the application of defined rules) whereby a test result is deemed to be
equally valid for variations in one or more of the product properties and/or intended end-use
applications
3.1.2
extended field of application of test results
outcome of a process (involving the application of defined rules that may incorporate calculation
procedures) that predicts, for a variation of a product property and/or its intended end-use
application(s), a test result on the basis of one or more test results to the same test standard
3.1.3
factor
variation that can be applied to a parameter, e.g. a change in the core thickness
3.1.4
factor influence
potential cause of a change in the fire resistance when the factor is changed, e.g. an increase in the
loadbearing capacity R as a result of an increase in stiffness
3.1.5
fastening, fixing
component that fastens the panels to a support structure or to the test frame
3.1.6
fixing system
system consisting of fastenings and other possible means used to fasten the panels to a support structure
or to the test frame
3.1.7
length of assembly
length of the ceiling in the span (or panel length) direction in the reference test or in the end use
application
3.1.8
width of assembly
width of the ceiling in the cross direction of the span (or panel length) in the reference test or in the end-
use application
3.1.9
reference test
fire resistance test on which the extended application is based and the results of which are used as the
main source of data for the extended application
Note 1 to entry: The fire resistance test is in accordance with EN 1363-1 and EN 1364-2, and where applicable
EN 1363-2.
3.1.10
stitching
component for fixing panels to panels in the longitudinal joint
...